EP2317643B1 - Output control apparatus of generator - Google Patents
Output control apparatus of generator Download PDFInfo
- Publication number
- EP2317643B1 EP2317643B1 EP10179934A EP10179934A EP2317643B1 EP 2317643 B1 EP2317643 B1 EP 2317643B1 EP 10179934 A EP10179934 A EP 10179934A EP 10179934 A EP10179934 A EP 10179934A EP 2317643 B1 EP2317643 B1 EP 2317643B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- duty ratio
- drive signal
- output
- transistor
- generator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
- H02P9/26—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices
- H02P9/30—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/10—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load
- H02P9/107—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load for limiting effects of overloads
Definitions
- the invention relates to an output control apparatus of a generator and more particularly to an output control apparatus of a generator having a stabilization unit of an output voltage in consideration of an influence of a magnetizing action when a phase advance load is connected.
- JP 2009-183128 A discloses a duty ratio monitoring unit, in which, if the variation of a basic duty ratio exceeds a predetermined threshold, abnormality in a motor drive control is detected.
- An automatic voltage regulator (hereinafter, also called “AVR”) which keeps a voltage output from a generator winding to a previously set voltage by controlling a current supplied to a field winding by a voltage generated to an excitation winding.
- a generator 100 includes a field winding 102, a generator winding 103, and an excitation winning 104.
- Permanent magnets 106 are disposed to a rotor 105 around which the field winding 102 is wound.
- a rectifier 109a, a transistor drive unit (control unit) 109, and a transistor 110 are disposed to an AVR 107.
- the excitation winding 104 is connected to an input side of a rectifier 108; and the field winding 102 is connected to an output side of the rectifier 108 through a brush 111.
- a flywheel diode 112 and a smoothing capacitor 113 are connected in parallel with the field winding 102.
- the output voltage is rectified by the rectifier 109a, input to the transistor drive unit 109, and compared with a voltage target value.
- the transistor 110 is turned off.
- the output voltage of the generator winding 103 is decreased and the transistor 110 is turned on again.
- the transistor 110 is repeatedly turning on and off, and a constant voltage control is executed.
- the AVR generator Since the conventional AVR generator has a simple configuration, the AVR generator has become widely spread and can obtain good constant voltage characteristics particularly in a high power factor load. However, in a case of low power factor load, a voltage greatly changes by magnetization and demagnetization.
- a phase advance load when a phase advance load is connected to the generator, an electro-motive force is generated in the field winding 102 by a magnetic flux caused by a phase advance current flowing in the generator winding 103, and the electro-motive force is rectified by the flywheel diode, made to a current having the same phase as that of a field current, increases a field magnetic flux (magnetization), and increases an output voltage.
- the transistor 110 keeps it off, and a field drive executed by the excitation winding 104 is stopped.
- the phase advance load has a large capacity, then the field winding 102 is continuously excited only by a current generated in the field winding 102 by phase advance current.
- the smoothing capacitor 113 experiences an excessive voltage. Thus, a countermeasure to the problem is desired.
- the AVR is provided with a magnetization suppressing function, and a magnetic flux generated in the field winding is decreased by the phase advance load that flows a current in a direction reverse to a direction of a current flowing to the field winding.
- timing at the reverse direction current flows in the field winding may coincide timing at which a field drive current is caused to flow by a PWM signal (timing signal of an on-time duty control of the transistor 110).
- a PWM signal timing signal of an on-time duty control of the transistor 110.
- a phase of the electro-motive force generated in the field winding is determined by mechanical phases of the rotor and a stator, an electrostatic capacitance of the load, inductances of the rotor and the stator, and the like.
- a general phase advance load is assumed, and the rotor is assembled to the stator by aligning the phase of the rotor to the phase of the stator so that timing at which a drive signal of the transistor 110 is provided does not coincide timing at which the reverse direction current is caused to flow.
- a phase advance load out of assumption is connected, a current, which is generated by the phase advance load that increases the field current may not be cancelled.
- an object of the invention is to provide an output control apparatus of a generator capable of suppressing an increase of an output voltage when a phase advance load is connected to the generator.
- the present invention has a first feature in that an output control apparatus of a generator including a generator winding and an excitation winding wound around a stator side, a field winding wound around a rotor rotated by a drive source, a rectifier for rectifying a current generated by the excitation winding, a smoothing capacitor for smoothing an output current of the rectifier and inputting the smoothed output current to the field winding, a first switching device connected to the field winding and PWM controlled to converge an output voltage of the generator winding to a target voltage, and a flywheel diode connected to the field winding, the output control apparatus of a generator comprising a second switching device connected in parallel to the flywheel diode and driven in a phase reverse to a phase of the PWM controlled drive signal; a duty ratio monitoring unit which determines whether a duty ratio of a drive signal of the first switching device is equal to or larger than a reference duty ratio; and a PWM output cycle extension unit which prolongs an output cycle of the drive signal when the
- the present invention has a second feature in that the PWM output cycle extension unit comprises a drive signal thinning out unit which prolongs the output cycle of the drive signal by prohibiting outputting of the drive signal at predetermined intervals.
- phase advance current is caused to flow to the generator winding by connecting a phase advance load, and a current having the same phase as that of a field drive current (current from the excitation winding) is caused to flow through the flywheel diode by a magnetic flux caused by the phase advance current.
- a second switching device connected across the field winding is driven in an inverted phase of a drive signal of a first switching device.
- the second switching device is turned on, a phase advance current flowing to the field winding flows through the flywheel diode. Accordingly, a positive direction current of the phase advance current passes through the flywheel diode, and a negative direction current of the phase advance current flows through the second switching device.
- a magnetic field caused by phase advance is cancelled, magnetization caused by the phase advance current is suppressed.
- a connection of a large phase advance load is determined by that a duty ratio of a drive signal is smaller than a reference duty ratio, and when the connection of a large phase advance load is determined, an output cycle of the first switching device is prolonged.
- the output cycle of the first switching device is prolonged, a period, during which the second switching device driven by phase reverse to that of the first switching device, is extended.
- an output cycle of a PWM signal can be easily extended by thinning out the drive signal at every predetermined interval.
- Fig. 1 is a system configuration view of a generator having an output control apparatus according to the embodiment of the invention, and the same reference numerals as those of Fig. 7 indicate the same components or equivalent components of Fig. 7 .
- a closed circuit having a field winding 102 is formed by connecting a transistor (second switching device) 10 across a flywheel diode 112 and by turning on the transistor 10 in a period during which a transistor (first switching device) 110 is turned off, that is, by turning on the transistor 110 at timing at which a current from an excitation winding 104 is not caused to flow to the field winding 102.
- the closed circuit is formed to cancel a magnetic flux caused by a phase advance current by turning on the transistor 10 while the transistor 110 is off so that a current Ir in a direction reverse to a positive direction current If which flows in the field winding 102, that is, the negative direction current Ir flows to the field winding 102, by taking notice of that a current (hereinafter, called "phase advance current") generated in the field winding 102 through a generator winding 103 by the phase advance load is an alternate current. Since magnetization is suppressed by the configuration mentioned above, an increase of the output voltage to an output voltage higher than an assumed output voltage can be prevented, and an increase of voltages across a capacitor 113 can be also prevented.
- the transistor 10 is a switching device for canceling the phase advance current, it is called a "cancel transistor" below.
- the cancel transistor 10 is turned on in response to turning off of the transistor 110 is turned off and is turned off in response to turning on of the transistor 110.
- the transistor 110 is turned off that the transistor 10 is turned on to flow the negative direction current Ir for canceling the positive direction current If of the phase advance current.
- a phase of an electro-motive force generated to the field winding 102 is not fixed due to mechanical phases of a rotor and a stator, an electrostatic capacitance of a load, inductances of the rotor and the stator, and the like.
- timing at which the negative direction current Ir flows is prevented from coincidence of timing at which the transistor 10 is turned on by thinning out a PWM signal (pulse).
- a duty monitor 1 for monitoring an on-time duty ratio (hereinafter, simply called “duty ratio”) of the PWM signal of the transistor 110 is provided in an AVR 107 of a generator 100.
- a transistor drive unit that is, a control unit 109 has a voltage comparator 20 for comparing a magnitude of an output voltage of the generator winding 103 with a magnitude of a target voltage and a drive unit 21 for determining an increase or a reduction of the duty ratio of the transistor 110 in response to the magnitudes of the voltages, increasing or decreasing a predetermined amount of the duty ratio, and supplying a drive signal to the transistor 110.
- the transistor 110 is driven according to the duty ratio determined by the control unit 109 and controls the field current.
- a PWM second drive unit 11 has a function for detecting output timing (on-time) of an on-command and output timing (off-time) of an off-command which are output from the control unit 109 to the transistor 110 and a function for outputting the on-command to the cancel transistor 10 at the off-time and outputting the off-command to the cancel transistor 10 at the on-time.
- the duty monitor 1 monitors the duty ratio output from the drive unit 21 and outputs a detection signal when the duty ratio is smaller than a preset appropriate duty ratio. Since the duty ratio is ordinarily set to about 20% when no load is applied, a reference duty ratio is preferably about 10% smaller than the duty ratio when without loading.
- the detection signal output from the duty monitor 1 is input to a PWM signal thinning out unit 2.
- the PWM signal thinning out unit 2 is configured to thin out or to prohibit outputting the PWM signal, which is output in a predetermined cycle, in, for example, each one cycle. An output cycle of the PWM signal output from the drive unit 21 is doubled by the thinning out process.
- Figs. 2 and 3 are timing charts showing a relation among a drive signal (PWM signal) of the transistor 110, a drive signal of the transistor 10, and a field current.
- Fig. 2 is the timing chart when the relatively small phase advance load is connected.
- the PWM signal of the transistor 110 is not thinned out, and the cancel transistor 10 is turned on and off in a phase reverse to a phase of the PWM signal which is not thinned out.
- the negative direction current Ir flows in a small amount, a degree of reduction of magnetization caused by turning on the transistor 10 is small.
- Fig. 3 is a timing chart when the large phase advance load is connected.
- the transistor 110 since the phase advance load is large, the transistor 110 is driven at the duty ratio smaller than the reference duty ratio. As a result, the detection signal is output from the duty monitor 1, and the PWM signal is thinned out by the PWM signal thinning out unit 2. As shown by dotted lines in Fig. 3 , since the PWM signal is thinned out at portions to which reference numerals "2", "4" are attached, the transistor 110 is driven in a cycle twice the cycle shown in Fig. 2 . Accordingly, since a cancel effect of the positive direction magnetic field caused by the negative direction current Ir is increased, the field current is greatly decreased in a period Toff during which PWM signal is turned off as shown in Fig. 3 .
- Fig. 4 is a flowchart according to a duty control in a PWM control of the transistor 110.
- step S1 an output voltage of the generator winding 103 is input to the voltage comparator 20.
- step S2 the voltage comparator 20 determines whether the output voltage is equal to or larger than the target voltage.
- step S3 the determination in step S2 is affirmative, a process proceeds to step S3 and the duty ratio is decreased by a predetermined amount.
- the determination in step S2 is negative, the process proceeds to step S4 and the duty ratio is increased by the predetermined amount.
- the duty ratio is not limited to a case that it is decreased or increased by executing the processing once, and when a magnitude of a difference between the output voltage and the target voltage is large, an increasing/decreasing amount may be increased and when the magnitude of the difference is small, the increasing/decreasing amount may be decreased according to the difference between the output voltage and the target voltage.
- Fig. 5 is a flowchart according to a thinning out control of the PWM signal.
- step S10 a duty ratio of the PWM signal output from the control unit 109 is detected by a function of the duty monitor 1.
- step S11 the duty monitor 1 determines whether the detected duty ratio is equal to or larger than the reference duty ratio. When the determination in step S11 is affirmative, the process proceeds to step S12 and a thinning out flag F1 of a PWM signal is set to "1". Note that the determination in step S11 may be set to affirmative when the duty monitor 1 continuously detects that the detected duty ratio is equal to or larger than the reference duty ratio for at least a predetermined time. When the determination in step S11 is negative, the process proceeds to step S13 and the PWM signal thinning out flag is set to "0".
- Fig. 6 is a flowchart of an output control of the PWM signal.
- the PWM signal is output in synchronization with an output (ignition timing signal of an engine) of a rotation sensor which is disposed to an output shaft of the engine as a drive source for rotating the rotor 105 or on an outer periphery of a rotation member (flywheel and the like), which is coupled with the output shaft and rotates, and outputs a detection signal each time the rotation member rotates once.
- step S20 a thinning out register C1 is set to zero.
- the thinning out register C1 is set to "0" or "1".
- step S21 whether an ignition timing signal is detected is determined. When the determination in step S21 is affirmative, the process proceeds to step S22 and determines whether the thinning out register C1 is set to "0" or to "1". When the thinning register C1 is set to "0”, the process proceeds to step S23 and outputs the PWM signal to the transistor 110 at the duty ratio set by the duty control.
- step S24 whether the thinning out flag F1 is set to "1" or "0" is determined.
- the process proceeds to step S25 and the thinning out register C1 is set to "1".
- step S22 When the determination in step S22 is negative, the process proceeds to step S26 and the PWM signal is prohibited from outputting to the transistor 110. Then, in step S27, the thinning register C1 is set to "0".
- step S24 When the determination in step S24 is negative, that is, when the thinning out flag F1 is set to "0", the process returns to step S21, skipping step S25.
- the output control of the PWM signal when the thinning out flag F1 is raised, the output of the PWM signal to the transistor 110 is executed or prohibited in response to the status of the thinning out register C1 which are alternately changed. That is, since the PWM signal is thinned out once in every twice, the output cycle of the PWM signal is doubled.
- the invention is not limited thereto, and a present duty ratio may be compared with the reference duty ratio and any one of previously set output cycles having two type of lengths may be selected according to a result of the comparison.
- the PWM signal may be output when an ignition timing signal is counted twice at the time the duty ratio is larger than the reference duty ratio, and the PWM signal may be output each time the ignition timing signal is detected at the time the duty ratio is smaller than the reference duty ratio.
- Flowcharts shown in Figs. 4 to 6 are used to describe an example of processing of main components of the control unit 109 and the duty monitor 1 according to the embodiment of the invention when the control unit 109 and the duty monitor 1 are configured of a microcomputer, and actual processing program can be modified according to a known method. Accordingly, the control unit 109 and the duty monitor 1 are not limited to the microcomputer and can be also formed using an analog circuit so that they are adapted to configurations shown in Fig. 1 and Figs. 4 to 6 .
- the cycle of the PWM signal can be prolonged when the capacitive load is connected and the on-time of the PWM signal for driving the field becomes equal to or less than the reference duty ratio. Accordingly, since the timing at which the transistor 110 is turned on and the field current flows is unlike to coincide with the timing at which the cancel transistor 10 is turned on in response to that the transistor 110 is turned off and the cancel current Ir flows, it can be suppressed that the output voltage is excessively increased by an excessive increase of the field current. With this configuration, excessive voltages of the capacitive load and the smoothing capacitor 113 can be prevented.
- An excitation winding (104) and a field winding (102) are provided.
- a smoothing capacitor (113) smoothes a current of the excitation winding (104) and inputs it to the field winding (102).
- a transistor (110) is driven to control an output of the generator winding (103).
- a diode (112) prevents a field current from flowing in a reverse direction.
- a transistor (10) connected to the diode (112) is driven in a phase reverse to a phase of a drive signal of the transistor (110).
- a duty monitor 1 determines whether a duty ratio of the drive signal of the transistor (110) is larger than a reference duty ratio, and when the duty monitor 1 determines that the duty ratio of the drive signal is smaller than the reference duty ratio, an unit (2) extends an output cycle of the drive signal by thinning out the drive signal.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009249060A JP5405980B2 (ja) | 2009-10-29 | 2009-10-29 | 発電機の出力制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2317643A1 EP2317643A1 (en) | 2011-05-04 |
EP2317643B1 true EP2317643B1 (en) | 2012-01-18 |
Family
ID=43064388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10179934A Not-in-force EP2317643B1 (en) | 2009-10-29 | 2010-09-27 | Output control apparatus of generator |
Country Status (10)
Country | Link |
---|---|
US (1) | US8400118B2 (es) |
EP (1) | EP2317643B1 (es) |
JP (1) | JP5405980B2 (es) |
CN (1) | CN102055397B (es) |
AT (1) | ATE542290T1 (es) |
BR (1) | BRPI1004159A2 (es) |
CA (1) | CA2717542C (es) |
ES (1) | ES2379942T3 (es) |
RU (1) | RU2451388C1 (es) |
ZA (1) | ZA201006484B (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5350175B2 (ja) * | 2009-10-19 | 2013-11-27 | 本田技研工業株式会社 | 発電機の出力電圧制御装置 |
JP5405980B2 (ja) * | 2009-10-29 | 2014-02-05 | 本田技研工業株式会社 | 発電機の出力制御装置 |
EP2806544B1 (en) * | 2013-05-24 | 2018-04-25 | General Electric Technology GmbH | Modular excitation system |
CN103684159B (zh) * | 2013-12-05 | 2016-06-29 | 中国北车集团大连机车车辆有限公司 | 防止内燃机车辅助发电电路过压的控制方法 |
US20170331402A1 (en) * | 2016-05-10 | 2017-11-16 | General Electric Company | System and method for vehicle diagnostics |
JP6610566B2 (ja) * | 2017-01-13 | 2019-11-27 | 株式会社デンソー | 回転電機の制御装置 |
KR102485380B1 (ko) * | 2017-11-30 | 2023-01-05 | 현대자동차주식회사 | 차량용 알터네이터 제어 장치 및 그 방법 |
US11482360B2 (en) * | 2017-12-12 | 2022-10-25 | The Boeing Company | Stator secondary windings to modify a permanent magnet (PM) field |
CN108111076B (zh) * | 2018-02-10 | 2024-02-20 | 深圳市安托山特种机械有限公司 | 一种自励恒压发电机的三频励磁机系统及其控制方法 |
CN110880502B (zh) * | 2018-09-05 | 2022-10-14 | 无锡华润上华科技有限公司 | 半导体结构及电机驱动装置 |
CN111682703B (zh) * | 2020-05-15 | 2021-12-31 | 岭东核电有限公司 | 用于无刷励磁系统的旋转二极管状态监测系统和方法 |
CN112235905A (zh) * | 2020-10-23 | 2021-01-15 | 青岛易来智能科技股份有限公司 | 亮度调节电路及灯具、led亮度的控制方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
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SU562051A1 (ru) * | 1974-08-23 | 1977-06-15 | Предприятие П/Я В-2248 | Автономный источник питани |
JPH03253300A (ja) | 1990-02-28 | 1991-11-12 | Suzuki Motor Corp | エンジン発電機の過電圧防止装置 |
JP3133850B2 (ja) * | 1993-02-04 | 2001-02-13 | 三菱電機株式会社 | 車両用交流発電機の制御方法及び制御装置 |
JP2996574B2 (ja) | 1993-03-19 | 2000-01-11 | 本田技研工業株式会社 | 自動電圧調整装置 |
JPH06335298A (ja) * | 1993-03-23 | 1994-12-02 | Mitsubishi Electric Corp | 車両用交流発電機の出力制御方法及び出力制御装置 |
JP3102981B2 (ja) * | 1993-12-28 | 2000-10-23 | 三菱電機株式会社 | 車両用交流発電機の出力制御装置 |
JP3337805B2 (ja) * | 1994-02-10 | 2002-10-28 | マツダ株式会社 | オルタネータ制御装置 |
JP3043566B2 (ja) | 1994-03-03 | 2000-05-22 | 澤藤電機株式会社 | 発電機の自動電圧調整装置 |
JPH08140400A (ja) * | 1994-11-11 | 1996-05-31 | Kokusan Denki Co Ltd | 交流発電機用自動電圧調整器 |
KR100376920B1 (ko) * | 1998-01-27 | 2003-03-26 | 미쓰비시덴키 가부시키가이샤 | 차량용 교류발전기의 제어장치 |
JP4482782B2 (ja) * | 1999-12-16 | 2010-06-16 | 株式会社デンソー | 車両用交流発電機の制御装置 |
JP4333022B2 (ja) * | 2000-11-10 | 2009-09-16 | 株式会社デンソー | 車両用発電機の発電制御システム |
JP4438260B2 (ja) * | 2001-08-30 | 2010-03-24 | 株式会社デンソー | 車両用発電制御装置 |
DE10313520A1 (de) * | 2003-03-26 | 2004-10-14 | Robert Bosch Gmbh | Verfahren und Steuerschaltung zum Feststellen eines Betriebszustandes bei der Ansteuerung eines Lüftermotors |
JP4622758B2 (ja) * | 2005-09-09 | 2011-02-02 | 株式会社デンソー | 車両用電圧制御装置 |
JP2008017556A (ja) * | 2006-07-03 | 2008-01-24 | Honda Motor Co Ltd | エンジン駆動式発電機の出力電圧制御装置 |
US7569942B2 (en) | 2006-07-03 | 2009-08-04 | Honda Motor Co., Ltd. | Output voltage controller of engine-driven generator |
JP4488056B2 (ja) * | 2007-11-09 | 2010-06-23 | 株式会社デンソー | 車両用発電制御装置 |
JP4776641B2 (ja) | 2008-02-01 | 2011-09-21 | 本田技研工業株式会社 | モータ制御装置 |
JP5405980B2 (ja) * | 2009-10-29 | 2014-02-05 | 本田技研工業株式会社 | 発電機の出力制御装置 |
-
2009
- 2009-10-29 JP JP2009249060A patent/JP5405980B2/ja not_active Expired - Fee Related
-
2010
- 2010-08-31 US US12/872,543 patent/US8400118B2/en not_active Expired - Fee Related
- 2010-09-09 ZA ZA2010/06484A patent/ZA201006484B/en unknown
- 2010-09-27 EP EP10179934A patent/EP2317643B1/en not_active Not-in-force
- 2010-09-27 AT AT10179934T patent/ATE542290T1/de active
- 2010-09-27 ES ES10179934T patent/ES2379942T3/es active Active
- 2010-10-13 CA CA2717542A patent/CA2717542C/en not_active Expired - Fee Related
- 2010-10-26 CN CN2010105230389A patent/CN102055397B/zh not_active Expired - Fee Related
- 2010-10-28 RU RU2010144141/07A patent/RU2451388C1/ru not_active IP Right Cessation
- 2010-10-28 BR BRPI1004159-1A patent/BRPI1004159A2/pt active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
BRPI1004159A2 (pt) | 2013-07-09 |
ZA201006484B (en) | 2011-06-29 |
RU2451388C1 (ru) | 2012-05-20 |
EP2317643A1 (en) | 2011-05-04 |
AU2010219313A1 (en) | 2011-05-19 |
US8400118B2 (en) | 2013-03-19 |
CN102055397A (zh) | 2011-05-11 |
JP2011097738A (ja) | 2011-05-12 |
JP5405980B2 (ja) | 2014-02-05 |
ATE542290T1 (de) | 2012-02-15 |
US20110101928A1 (en) | 2011-05-05 |
CN102055397B (zh) | 2013-03-20 |
CA2717542A1 (en) | 2011-04-29 |
CA2717542C (en) | 2014-02-18 |
ES2379942T3 (es) | 2012-05-07 |
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